Lyme disease is caused by a spirochete, Borrelia burgdorferi. A spirochete is a type of bacterium. Lyme disease is transmitted to dogs through the bite of a tick.. Lyme disease is transmitted to dogs through the bite of a tick. Once in the blood stream, the Lyme disease organism is carried to many parts of the body and is likely to localize in joints.
Possible neurological symptoms include: 1  muscle weakness in one area. 2  poor decision-making or concentration. 3  involuntary twitching. 4  trembling. difficulty speaking or swallowing.  seizures.
Symptoms of encephalitis can include: 1  Confusion. 2  A fever. 3  A headache (which can be very painful). 4  A stiff neck and back.  Light hurting your 1  eyes. Nausea and vomiting.  Lack of 1  energy. Drowsiness.